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1. Search the forum. You can do this from the Advanced Search Page or from our Google Custom Search, which will search the entire PKP site. If you are encountering an error, we especially recommend searching the forum for said error.

2. Check the FAQ to see if your question or error has already been resolved.

3. Post a question, but please, only after trying the above two solutions. If it's a workflow or usability question you should probably post to the OJS Editorial Support and Discussion subforum; if you have a development question, try the OJS Development subforum.

If the sessions table is the only one that got overwritten, you're lucky -- there are probably only two tables in the entire database that you can lose without losing valuable data. Are you sure there aren't other tables with the same problem, particularly those with common names like "users"? If the users table has been altered, you'd be best off going to a backup.

Otherwise, you can use the the dbXMLtoSQL.php tool to re-generate the table SQL. Run:

Find the CREATE TABLE statement for the sessions table and use that to create the table.

I'm not sure what your question is in the previous post... could you rephrase? If you're not sure how to run queries, see if your host offers phpmysqladmin in the hosting package. That's probably the easiest way to run queries.